USPTO Patents Application 10004917

(M) DEVICE FOR PREVENiTTVtr
v VIBRATING

(11) Kokai No. 54-3731
(21) Appl. No. 52-68058
(71) AISHIN SEIKI K.K. (72) NOB
(52) JPC: 80D02
(51) Int. CP. B60K17/02

.;CK PEDAL FROM

(43) (19JJL
(22) 6.9.1977

PURPOSE: To eliminate the unpleasant vibration of a clutch pedal by setting the
quotient of clutch release hydraulic pressure by the cross sectional area of an
oil pipe for connecting a master cylinder to a release cylinder to approx. 450
kg. or higher.

CONSTITUTION: A release fork 4 is connected to a release cylinder 3 in a diesel en-
gine vehicle having a diaphragm spring clutch and a hydraulic clutch release sys-
tem. The clutch release hydraulic pressure is set so that the quotient of the clutch
release hydraulic pressure by the cross sectional area of an oil pipe 6 for connect-
ing a master cylinder 2 to a release cylinder 3 is higher than approx. 450kg.

©Int. CI. 2
B60K 17/02

80D02

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